Selected Writings on Grace and PelagianismOf the different controversies that preoccupied Augustine during his lifetime, Pelagianism was indisputably the most important for the subsequent history and theology of the western Church. It touched on any number of issues central to Christianity, most notably grace, predestination, original sin and baptism, all of which in turn could be reduced to the fundamental question of the exact nature of the relationship between God and his human creation.